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Diffstat (limited to 'test/tile/geometry_tile_data.cpp')
-rw-r--r-- | test/tile/geometry_tile_data.cpp | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/test/tile/geometry_tile_data.cpp b/test/tile/geometry_tile_data.cpp new file mode 100644 index 0000000000..6e118d6fd5 --- /dev/null +++ b/test/tile/geometry_tile_data.cpp @@ -0,0 +1,61 @@ +#include <mbgl/test/util.hpp> +#include <mbgl/tile/geometry_tile_data.hpp> + +using namespace mbgl; + +TEST(GeometryTileData, classifyRings1) { + std::vector<GeometryCollection> polygons = classifyRings({ + { {0, 0}, {0, 40}, {40, 40}, {40, 0}, {0, 0} } + }); + + // output: 1 polygon + ASSERT_EQ(polygons.size(), 1u); + // output: polygon 1 has 1 exterior + ASSERT_EQ(polygons[0].size(), 1u); +} + +TEST(GeometryTileData, classifyRings2) { + std::vector<GeometryCollection> polygons = classifyRings({ + { {0, 0}, {0, 40}, {40, 40}, {40, 0}, {0, 0} }, + { {10, 10}, {20, 10}, {20, 20}, {10, 10} } + }); + + // output: 1 polygon + ASSERT_EQ(polygons.size(), 1u); + // output: polygon 1 has 1 exterior, 1 interior + ASSERT_EQ(polygons[0].size(), 2u); +} + +TEST(GeometryTileData, limitHoles1) { + GeometryCollection polygon = { + { {0, 0}, {0, 40}, {40, 40}, {40, 0}, {0, 0} }, + { {30, 30}, {32, 30}, {32, 32}, {30, 30} }, + { {10, 10}, {20, 10}, {20, 20}, {10, 10} } + }; + + limitHoles(polygon, 1); + + // output: polygon 1 has 1 exterior, 1 interior + ASSERT_EQ(polygon.size(), 2u); + + // ensure we've kept the right rings (ones with largest areas) + ASSERT_EQ(polygon[0][0].x, 0); + ASSERT_EQ(polygon[1][0].x, 10); +} + +TEST(GeometryTileData, limitHoles2) { + GeometryCollection polygon = { + { {0, 0}, {0, 40}, {40, 40}, {40, 0}, {0, 0} }, + { {10, 10}, {20, 10}, {20, 20}, {10, 10} }, + { {30, 30}, {32, 30}, {32, 32}, {30, 30} } + }; + + limitHoles(polygon, 1); + + // output: polygon 1 has 1 exterior, 1 interior + ASSERT_EQ(polygon.size(), 2u); + + // ensure we've kept the right rings (ones with largest areas) + ASSERT_EQ(polygon[0][0].x, 0); + ASSERT_EQ(polygon[1][0].x, 10); +} |